67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "SVGMemberAccessor.h"
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namespace WebCore {
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template<typename OwnerType, typename PropertyType>
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class SVGPointerMemberAccessor : public SVGMemberAccessor<OwnerType> {
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using Base = SVGMemberAccessor<OwnerType>;
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public:
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SVGPointerMemberAccessor(Ref<PropertyType> OwnerType::*property)
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: m_property(property)
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{
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}
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Ref<PropertyType>& property(OwnerType& owner) const { return owner.*m_property; }
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const Ref<PropertyType>& property(const OwnerType& owner) const { return owner.*m_property; }
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void detach(const OwnerType& owner) const override
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{
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property(owner)->detach();
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}
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std::optional<String> synchronize(const OwnerType& owner) const override
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{
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return property(owner)->synchronize();
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}
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protected:
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template<typename AccessorType, Ref<PropertyType> OwnerType::*property>
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static const SVGMemberAccessor<OwnerType>& singleton()
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{
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static NeverDestroyed<AccessorType> propertyAccessor { property };
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return propertyAccessor;
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}
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Ref<PropertyType> OwnerType::*m_property;
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};
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}
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